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Versions: 8
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Contents
# frozen_string_literal: true
module ProxyFetcher
class Document
# Abstract HTML parser adapter class.
# Handles document manipulations.
class AbstractAdapter
# @!attribute [r] events
# @return [Hash] A hash with events registered within a bus
attr_reader :document
# Initialize adapter
#
# @return [AbstractAdapter]
#
def initialize(document)
@document = document
end
# You can override this method in your own adapter class
#
# @param selector [String]
# XPath selector
#
def xpath(selector)
document.xpath(selector)
end
# You can override this method in your own adapter class
#
# @param selector [String]
# CSS selector
#
def css(selector)
document.css(selector)
end
# Returns <code>Node</code> class that will handle HTML
# nodes for particular adapter.
#
# @return [ProxyFetcher::Document::Node]
# node
#
def proxy_node
self.class.const_get('Node')
end
# Installs adapter requirements.
#
# @raise [Exceptions::AdapterSetupError]
# adapter can't be install due to some error
#
def self.setup!(*args)
install_requirements!(*args)
rescue LoadError => error
raise Exceptions::AdapterSetupError.new(name, error.message)
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems